TW205128B - - Google Patents
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- Publication number
- TW205128B TW205128B TW080106559A TW80106559A TW205128B TW 205128 B TW205128 B TW 205128B TW 080106559 A TW080106559 A TW 080106559A TW 80106559 A TW80106559 A TW 80106559A TW 205128 B TW205128 B TW 205128B
- Authority
- TW
- Taiwan
- Prior art keywords
- film
- sound
- wave
- diaphragm
- item
- Prior art date
Links
- 238000013016 damping Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 6
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000026683 transduction Effects 0.000 claims 3
- 238000010361 transduction Methods 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000003245 coal Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 230000001012 protector Effects 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000005855 radiation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
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- 241000255789 Bombyx mori Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000008434 yi-zhi Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/87—Combinations of sonar systems
- G01S15/876—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
- G10K9/125—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means with a plurality of active elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4024791 | 1990-08-04 | ||
| DE4120681A DE4120681A1 (de) | 1990-08-04 | 1991-06-22 | Ultraschallwandler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW205128B true TW205128B (de) | 1993-05-01 |
Family
ID=25895646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW080106559A TW205128B (de) | 1990-08-04 | 1991-08-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5446332A (de) |
| EP (1) | EP0507892B1 (de) |
| DE (2) | DE4120681A1 (de) |
| TW (1) | TW205128B (de) |
| WO (1) | WO1992002795A2 (de) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19614885C1 (de) * | 1996-04-16 | 1997-09-04 | Bosch Gmbh Robert | Sensor zum Senden und/oder Empfangen akustischer Signale |
| JPH10294995A (ja) * | 1997-04-21 | 1998-11-04 | Matsushita Electric Ind Co Ltd | 防滴型超音波送信器 |
| DE19727877A1 (de) * | 1997-06-30 | 1999-01-07 | Bosch Gmbh Robert | Ultraschallwandler |
| TW345132U (en) * | 1998-03-26 | 1998-11-11 | shi-xiong Li | Improved structure for sensor of car backing radar |
| US6250162B1 (en) * | 1998-04-24 | 2001-06-26 | Murata Manufacturing Co., Ltd. | Ultrasonic sensor |
| DE69939096D1 (de) * | 1998-11-02 | 2008-08-28 | Matsushita Electric Ind Co Ltd | Piezoelektrischer Lautsprecher |
| US6370086B2 (en) | 1999-03-15 | 2002-04-09 | Shih-Hsiung Li | Ultrasound sensor for distance measurement |
| JP3324593B2 (ja) * | 1999-10-28 | 2002-09-17 | 株式会社村田製作所 | 超音波振動装置 |
| DE10009129A1 (de) * | 2000-02-26 | 2001-08-30 | Volkswagen Ag | Ultraschallsensor |
| JP3501100B2 (ja) * | 2000-05-15 | 2004-02-23 | 株式会社村田製作所 | 超音波送受波器 |
| JP3706903B2 (ja) | 2000-08-10 | 2005-10-19 | 独立行政法人産業技術総合研究所 | フレキシブル高感度セラミックスセンサー |
| EP1202249A1 (de) * | 2000-10-26 | 2002-05-02 | Imra Europe S.A. | Wasserdichte Wandler für Halbwellenwandleranordnung |
| DE10159679A1 (de) * | 2001-11-30 | 2003-06-12 | Valeo Schalter & Sensoren Gmbh | Ultraschallsensoreinheit und Verfahren zur Herstellung |
| JP3944052B2 (ja) * | 2001-12-27 | 2007-07-11 | 株式会社デンソー | 超音波送受波器及びこれを用いた超音波クリアランスソナー |
| DE10316946A1 (de) * | 2003-04-12 | 2004-10-21 | Daimlerchrysler Ag | Vorrichtung und Verfahren zur Dämpfung von Druckschwingungen in Hydraulikleitungen |
| DE10361316B4 (de) * | 2003-12-19 | 2015-08-27 | Valeo Schalter Und Sensoren Gmbh | Ultraschallwandlervorrichtung |
| JP2006203563A (ja) * | 2005-01-20 | 2006-08-03 | Nippon Soken Inc | 超音波センサ |
| DE102005042596A1 (de) * | 2005-09-07 | 2007-04-26 | Siemens Ag | Ultraschallschwingungswandler |
| US7973455B2 (en) * | 2005-09-09 | 2011-07-05 | Murata Manufacturing Co., Ltd. | Ultrasonic sensor having stable anisotropy in directional properties |
| CN101336562B (zh) * | 2005-12-27 | 2012-11-28 | 日本电气株式会社 | 压电致动器及电子装置 |
| JP4766112B2 (ja) * | 2006-03-06 | 2011-09-07 | 株式会社村田製作所 | 超音波センサおよびその製造方法 |
| DE102006041975A1 (de) * | 2006-09-07 | 2008-03-27 | Hella Kgaa Hueck & Co. | Ultraschallsensor und Verfahren zur Herstellung eines Ultraschallsensors |
| EP1906383B1 (de) | 2006-09-29 | 2013-11-13 | Tung Thih Electronic Co., Ltd. | Ultraschallgerät-Sende-/Empfangsvorrichtung |
| DE102006050037A1 (de) * | 2006-10-24 | 2008-04-30 | Robert Bosch Gmbh | Ultraschallwandler |
| DE102008040905A1 (de) * | 2008-07-31 | 2010-02-04 | Robert Bosch Gmbh | Ultraschallsensor |
| DK177040B1 (en) | 2010-04-12 | 2011-02-28 | Miitors Aps | Ultrasonic consumer meter with locking mechanism |
| US20120245466A1 (en) * | 2011-03-25 | 2012-09-27 | Infosys Technologies, Ltd. | Method and system for capturing medical imaging data |
| TWI440831B (zh) * | 2011-04-27 | 2014-06-11 | Tung Thih Electronic Co Ltd | Ultrasonic sensor |
| DE102012100032B4 (de) * | 2012-01-03 | 2016-04-07 | Dr. Raubenheimer GmbH | Wasserreinigungssystem und Verfahren zur Behandlung von Wasser |
| DE102012205996A1 (de) * | 2012-04-12 | 2013-10-17 | Robert Bosch Gmbh | Sensoranordnung und Verfahren zur Umfelderfassung eines Fahrzeugs |
| DE102015110776A1 (de) * | 2015-07-03 | 2017-01-05 | Valeo Schalter Und Sensoren Gmbh | Ultraschallsensorvorrichtung für ein Kraftfahrzeug mit zwei Piezoelementen, Fahrerassistenzsystem, Kraftfahrzeug sowie Verfahren |
| DE102015217778B4 (de) | 2015-09-17 | 2019-05-29 | Robert Bosch Gmbh | Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler |
| JP6655191B2 (ja) * | 2015-10-09 | 2020-02-26 | マイクロソニック・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | モノリシックな超音波アレイを有するセンサー |
| JP6752427B2 (ja) * | 2016-05-09 | 2020-09-09 | 日本セラミック株式会社 | パラメトリックスピーカ |
| DE102016123414A1 (de) | 2016-12-05 | 2018-06-07 | Valeo Schalter Und Sensoren Gmbh | Ultraschallsensor für ein Kraftfahrzeug mit einem akustischen Koppelelement, Ultraschallsensoranordnung, Kraftfahrzeug und Verfahren |
| DE102017205376A1 (de) * | 2017-03-30 | 2018-10-04 | Robert Bosch Gmbh | Schallwandler |
| DE102017127587A1 (de) * | 2017-11-22 | 2019-05-23 | Valeo Schalter Und Sensoren Gmbh | Anordnung für ein Kraftfahrzeug mit einem Ultraschallsensor und mit einem Dämpfungselement, welches Armierungselemente aufweist sowie Vorrichtung |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3396286A (en) * | 1965-01-21 | 1968-08-06 | Linden Lab Inc | Transducer assembly for producing ultrasonic vibrations |
| DE2125784C3 (de) * | 1971-05-25 | 1980-09-18 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektroakustischer Wandler |
| US3786202A (en) * | 1972-04-10 | 1974-01-15 | Motorola Inc | Acoustic transducer including piezoelectric driving element |
| US3873947A (en) * | 1974-04-22 | 1975-03-25 | Rockwell International Corp | Multiple frequency flexure-mode resonator |
| US3943388A (en) * | 1974-06-27 | 1976-03-09 | Fred M. Dellorfano, Jr. | Electroacoustic transducer of the flexural vibrating diaphragm type |
| FR2419642A1 (fr) * | 1978-03-09 | 1979-10-05 | Chauveau Didier | Haut-parleur piezo-electrique multi-elements |
| US4214484A (en) * | 1978-10-16 | 1980-07-29 | Rhode Island Hospital | Ultrasonic particulate sensing |
| US4276491A (en) * | 1979-10-02 | 1981-06-30 | Ausonics Pty. Limited | Focusing piezoelectric ultrasonic medical diagnostic system |
| DE3138068A1 (de) * | 1980-11-10 | 1982-07-08 | Marukokeihouki Co. Ltd., Nagano | Piezoelektrische mehrfrequenz-schallerzeugungsvorrichtung |
| DE3137745A1 (de) | 1981-09-23 | 1983-04-07 | Egon 5000 Köln Gelhard | Sensor fuer die durchfuehrung der distanzmessung nach dem ultraschalll-echoprinzip |
| DE3207950A1 (de) * | 1982-03-05 | 1983-09-15 | Bosch Gmbh Robert | Abstandsmessvorrichtung |
| US4556814A (en) * | 1984-02-21 | 1985-12-03 | Ngk Spark Plug Co., Ltd. | Piezoelectric ultrasonic transducer with porous plastic housing |
| US4751419A (en) * | 1986-12-10 | 1988-06-14 | Nitto Incorporated | Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member |
| NO174309C (no) * | 1987-04-24 | 1994-04-13 | Norske Stats Oljeselskap | Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol |
| US4996713A (en) * | 1989-09-25 | 1991-02-26 | S. Eletro-Acustica S.A. | Electroacoustic piezoelectric transducer having a broad operating range |
-
1991
- 1991-06-22 DE DE4120681A patent/DE4120681A1/de not_active Withdrawn
- 1991-07-23 WO PCT/DE1991/000596 patent/WO1992002795A2/de active IP Right Grant
- 1991-07-23 EP EP91912434A patent/EP0507892B1/de not_active Expired - Lifetime
- 1991-07-23 DE DE59108268T patent/DE59108268D1/de not_active Expired - Lifetime
- 1991-08-19 TW TW080106559A patent/TW205128B/zh active
-
1992
- 1992-07-28 US US07/910,031 patent/US5446332A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE4120681A1 (de) | 1992-02-06 |
| US5446332A (en) | 1995-08-29 |
| WO1992002795A2 (de) | 1992-02-20 |
| EP0507892A1 (de) | 1992-10-14 |
| EP0507892B1 (de) | 1996-10-09 |
| DE59108268D1 (de) | 1996-11-14 |
| WO1992002795A3 (de) | 1992-08-06 |
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